public class add {
        public static void main(String[] args) {
            int a = 20 ,b = 12 , c = 112 , d = 14 ;
            int n,m;//n为晴天天数，m为雨天天数
            int day = c/d;
            n = (a*day-c)/day;
            m = day - n;
            System.out.println("n="+n);
            System.out.println("m="+m);
        }
        public static void main1(String[] args) {
            int a = 5 , b = 7 ;
            if(a ==5 && b ==7){
                int c = a;
                a = b;
                b = c;
                System.out.println("a = " + a  );
                System.out.println("b = " + b  );
            }

        }
}
